Lecture 17

Question 1

The intrinsic muscles of the hand

Answer 1

thenar and hypothenars muscles
lumbrical’s
interosseous palmaris brevis
adductor polllics

Question 2

what is the Palmar Aponeurosis

Answer 2

Triangular shaped condensation of deep fossa that covers the palm

Question 3

Apex of palmar aponeurosis

Answer 3

attached to the flexed retinaculum

Question 4

Base of Palmar Aponeurosis

Answer 4

divides into 4 slips at the bases of the fingers

Question 5

Function of Palmar Aponeurosis

Answer 5

Give firm attachment for overlying skin and improve grip

Question 6

Protect of Palmar Aponeurosis

Answer 6

Protect underlying tendons

Question 7

Notes Palmaris Brevis

Answer 7

Small intrinsic muscle that overlies the hypothenar

Deepens the cup of the palm by pulling on skin over the hypothenor eminence forming a distinct rage: which improves grip

Question 8

Interossi (Abduction)

Answer 8

Dorsal interossi
DAB

Question 9

Interossi (Adduction)

Answer 9

Palmar interossi
PAD

Question 10

Two origins in Adduction pollics

Answer 10

Transverse
oblique

Question 11

What is the adduction pollics :

Answer 11

Large triangular muscle that lies anteriorly to interossi and coverge to form a tendon

Question 12

Adductor pollics function:

Answer 12

Adduction of thumb
opposes the thumb

Question 13

Lumbericals: orgin

Answer 13

Tendons of the FDP in the palm

Question 14

Lumbericals: Insert

Answer 14

into the extensor hood

Question 15

Lumbericals functions

Answer 15

Flex metacarpophalangeal
extend interphalangeal

Question 16

HYPOTHENAR

Answer 16

i) Oppenens digiti minimi
ii) adductor digiti minimi
iii) flexor digiti minimi
contribute to the swelling on the medial side of palm
iiii) innervated by ulna

Question 17

THENAR:

Answer 17

i) oppenens pollicis
ii) Abductor pollics brevis
iii) flexor pollicis brevis
iii) Associated with opposite of the thumb and are responsible for of the swelling lateral side of the palm